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From:   Ben Hutchings <ben@decadent.org.uk>
To:     linux-kernel@vger.kernel.org, stable@vger.kernel.org
CC:     akpm@linux-foundation.org,
        "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
        "Shuah Khan" <shuahkh@osg.samsung.com>
Date:   Wed, 28 Feb 2018 15:20:18 +0000
Message-ID: <lsq.1519831218.420930271@decadent.org.uk>
Subject: [PATCH 3.16 128/254] usbip: stub: stop printing kernel pointer
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3.16.55-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Shuah Khan <shuahkh@osg.samsung.com>

commit 248a22044366f588d46754c54dfe29ffe4f8b4df upstream.

Remove and/or change debug, info. and error messages to not print
kernel pointer addresses.

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[bwh: Backported to 3.16:
 - Drop change in stub_complete()
 - Adjust filenames]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
 drivers/staging/usbip/stub_main.c | 5 +++--
 drivers/staging/usbip/stub_rx.c   | 7 ++-----
 drivers/staging/usbip/stub_tx.c   | 6 +++---
 3 files changed, 8 insertions(+), 10 deletions(-)

--- a/drivers/staging/usbip/stub_main.c
+++ b/drivers/staging/usbip/stub_main.c
@@ -256,11 +256,12 @@ void stub_device_cleanup_urbs(struct stu
 	struct stub_priv *priv;
 	struct urb *urb;
 
-	dev_dbg(&sdev->udev->dev, "free sdev %p\n", sdev);
+	dev_dbg(&sdev->udev->dev, "Stub device cleaning up urbs\n");
 
 	while ((priv = stub_priv_pop(sdev))) {
 		urb = priv->urb;
-		dev_dbg(&sdev->udev->dev, "free urb %p\n", urb);
+		dev_dbg(&sdev->udev->dev, "free urb seqnum %lu\n",
+			priv->seqnum);
 		usb_kill_urb(urb);
 
 		kmem_cache_free(stub_priv_cache, priv);
--- a/drivers/staging/usbip/stub_rx.c
+++ b/drivers/staging/usbip/stub_rx.c
@@ -225,9 +225,6 @@ static int stub_recv_cmd_unlink(struct s
 		if (priv->seqnum != pdu->u.cmd_unlink.seqnum)
 			continue;
 
-		dev_info(&priv->urb->dev->dev, "unlink urb %p\n",
-			 priv->urb);
-
 		/*
 		 * This matched urb is not completed yet (i.e., be in
 		 * flight in usb hcd hardware/driver). Now we are
@@ -266,8 +263,8 @@ static int stub_recv_cmd_unlink(struct s
 		ret = usb_unlink_urb(priv->urb);
 		if (ret != -EINPROGRESS)
 			dev_err(&priv->urb->dev->dev,
-				"failed to unlink a urb %p, ret %d\n",
-				priv->urb, ret);
+				"failed to unlink a urb # %lu, ret %d\n",
+				priv->seqnum, ret);
 
 		return 0;
 	}
--- a/drivers/staging/usbip/stub_tx.c
+++ b/drivers/staging/usbip/stub_tx.c
@@ -201,8 +201,8 @@ static int stub_send_ret_submit(struct s
 
 		/* 1. setup usbip_header */
 		setup_ret_submit_pdu(&pdu_header, urb);
-		usbip_dbg_stub_tx("setup txdata seqnum: %d urb: %p\n",
-				  pdu_header.base.seqnum, urb);
+		usbip_dbg_stub_tx("setup txdata seqnum: %d\n",
+				  pdu_header.base.seqnum);
 		usbip_header_correct_endian(&pdu_header, 1);
 
 		iov[iovnum].iov_base = &pdu_header;